What was the title of the father of this sovereign duke of the Duchy of Saxe-Coburg and Gotha who composed the opera "Diana von Solange"?
Duke of Saxe-Coburg-Saalfeld
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Diana von Solange
9701967
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Ernest II, Duke of Saxe-Coburg and Gotha
1041657
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Ernest II, Duke of Saxe-Coburg and Gotha
1041657